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William D. Collins
Researcher at Lawrence Berkeley National Laboratory
Publications - 215
Citations - 68073
William D. Collins is an academic researcher from Lawrence Berkeley National Laboratory. The author has contributed to research in topics: Climate model & Climate change. The author has an hindex of 54, co-authored 202 publications receiving 62488 citations. Previous affiliations of William D. Collins include University of California, San Diego & University of California, Berkeley.
Papers
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Journal ArticleDOI
A fast and objective multidimensional kernel density estimation method
Travis A. O'Brien,Karthik Kashinath,Nicholas R. Cavanaugh,William D. Collins,John P. O'Brien +4 more
TL;DR: A multidimensional, fast, and robust kernel density estimation is proposed: fastKDE, which exhibits statistical accuracy that is comparable to state-of-the-science KDE methods publicly available in R, and it produces kernel density estimates several orders of magnitude faster.
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An updated parameterization for infrared emission and absorption by water vapor in the National Center for Atmospheric Research Community Atmosphere Model
TL;DR: In this paper, an updated parameterization for the absorption and emission of infrared radiation by water vapor has been developed for the Community Atmosphere Model (CAM) from the National Center for Atmospheric Research (NCAR).
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Long-Term Behavior of Cloud Systems in TOGA COARE and Their Interactions with Radiative and Surface Processes. Part II: Effects of Ice Microphysics on Cloud–Radiation Interaction
Xiaoqing Wu,William D. Hall,Wojciech W. Grabowski,Mitchell W. Moncrieff,William D. Collins,Jeffrey T. Kiehl +5 more
TL;DR: In this article, a two-dimensional cloud-resolving model with a large domain is integrated for 39 days during the Tropical Ocean Global Atmosphere Coupled Ocean-Atmosphere Response Experiment (TOGA COARE) to study the effects of ice phase processes on cloud properties and cloud radiative properties.
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Climatology of Upper-Tropospheric Relative Humidity from the Atmospheric Infrared Sounder and Implications for Climate
Andrew Gettelman,William D. Collins,Eric J. Fetzer,Annmarie Eldering,Fredrick W. Irion,P. B. Duffy,Govindasamy Bala +6 more
TL;DR: In this article, the authors compared satellite observations from the Atmospheric Infrared Sounder (AIRS) to a simulation from a state-of-the-art climate model and found that the model does a good job of reproducing the mean humidity distribution but is slightly moister than the observations in the middle and upper troposphere.
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Atmospheric absorption during the Atmospheric Radiation Measurement (ARM) Enhanced Shortwave Experiment (ARESE)
Charles S. Zender,Brett C. Bush,Shelly K. Pope,Anthony Bucholtz,William D. Collins,Jeffrey T. Kiehl,Francisco P. J. Valero,John Vitko +7 more
TL;DR: In this article, a detailed model comparison to near-infrared and total solar flux time series observed by surface and airborne radiometric instruments during the Atmospheric Radiation Measurement Enhanced Shortwave Experiment (ARESE) campaign was conducted.